- the generation of men and women who came of age during or immediately following World War I: viewed, as a result of their war experiences and the social upheaval of the time, as cynical, disillusioned, and without cultural or emotional stability.
- a group of American writers of this generation, including Ernest Hemingway, F. Scott Fitzgerald, and John Dos Passos.
- the large number of talented young men killed in World War I
- the generation of writers, esp American authors such as Scott Fitzgerald and Hemingway, active after World War I